This product, write a letter to the paper to not sit on a desk. And, it is sandwiched nothing sheets. Now, I wrote in A4 size of paper. This type 4 couple of, have. Maybe, I think I bought because it was cheap.

Cheap, lightly, but good if you want to use with respect to the number sheet of paper, on both sides of only one, and write a letter, there is a vertical line on the board surface, is a character is hard to oysters. (In particular, pencil writing)